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Practice problem

DNA Replication — Steps & Diagram

By Gabi Slizewska
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Image A shows a double helix of DNA being separated into two strands, which are then used as a template strand. Image B shows a double helix that is copied identically. Image C shows a strand of DNA that is chopped into quarters and copied.

Image source: By Adenosine CC BY 2.0, via Wikimedia Commons

It is now known that DNA replication is a semi-conservative process. However, before this was discovered, scientists had three theories for how the process worked. All three theories are diagrammed above. Which diagram shows the semi-conservative replication?

Choose one answer

Type a concept, like “slope” or “photosynthesis”.

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